Home / 65,436.27-98,154.40-21,063.03

Finding the Fourth Proportional to 65,436.27, 98,154.40 and 21,063.03

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Solution

The fourth proportional to 65,436.27, 98,154.40 and 21,063.03 is: 31,594.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,436.27 : 98,154.40 = 21,063.03 : x
  2. Step 2: Convert to fraction form
    65,436.27/98,154.40 = 21,063.03/x
  3. Step 3: Cross multiply
    65,436.27x = 98,154.40 × 21,063.03
  4. Step 4: Simplify right side
    65,436.27x = 2,067,429,071.83
  5. Step 5: Solve for x
    x = 2,067,429,071.83/65,436.27
  6. Step 6: Final answer
    x = 31,594.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.